Making your application network-aware in real time. To keep track of network changes asynchronously, your application needs to register for a callback. When a network or network property change occurs your callback will be invoked.
1 You can simply lay your vinyl floor on top of the subfloor. Just unroll, cut the floor to size and itâs done â easy!  Medium room ( < 25m2) Semi-loose installation will do. Use double faced duct tape around the room to secure the flooring.
Since this floor will be subject to heavy foot traffic, and to ensure a successful installation, you will need to prepare the concrete base; it should be clean, dry, free from oils or previous adhesives, and level. The placement and kind of adhesive needed will depend upon the type of vinyl that you are installing: * Felt-backed vinyl has a layer of felt added to the back of the vinyl sheet and is installed by covering the entire floor with adhesive.